diff --git a/tests/testthat/test-mungepiece.R b/tests/testthat/test-mungepiece.R
index a50de93..3d6d924 100644
--- a/tests/testthat/test-mungepiece.R
+++ b/tests/testthat/test-mungepiece.R
@@ -586,3 +586,11 @@ describe("debugging", {
   })
 })
 
+describe("some tricky NSE examples", {
+  test_that("it can use NSE with mungepieces in a simple example", {
+    mpx <- mungepiece$new(mungebit$new(transform), train_args = alist(sep = Sepal.Length * 2))
+    debugonce(mpx$run)
+    expect_equal(mpx$run(iris)$sep, iris$Sepal.Length * 2)
+  })
+})
+